DE3432987C2 - - Google Patents

Info

Publication number
DE3432987C2
DE3432987C2 DE3432987A DE3432987A DE3432987C2 DE 3432987 C2 DE3432987 C2 DE 3432987C2 DE 3432987 A DE3432987 A DE 3432987A DE 3432987 A DE3432987 A DE 3432987A DE 3432987 C2 DE3432987 C2 DE 3432987C2
Authority
DE
Germany
Prior art keywords
measuring
amplifier
molten metal
mold
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3432987A
Other languages
German (de)
English (en)
Other versions
DE3432987A1 (de
Inventor
Takeo Yamada
Seigo Yokohama Kanagawa Jp Ando
Yoshihiro Kawasaki Kanagawa Jp Kawase
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of DE3432987A1 publication Critical patent/DE3432987A1/de
Application granted granted Critical
Publication of DE3432987C2 publication Critical patent/DE3432987C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/186—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Continuous Casting (AREA)
DE19843432987 1983-09-09 1984-09-07 Vorrichtung zum messen des pegels eines geschmolzenen metalls in der giessform einer stranggiessmaschine Granted DE3432987A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58165045A JPS6057217A (ja) 1983-09-09 1983-09-09 渦流式モ−ルド湯面計

Publications (2)

Publication Number Publication Date
DE3432987A1 DE3432987A1 (de) 1985-04-04
DE3432987C2 true DE3432987C2 (it) 1987-10-22

Family

ID=15804784

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843432987 Granted DE3432987A1 (de) 1983-09-09 1984-09-07 Vorrichtung zum messen des pegels eines geschmolzenen metalls in der giessform einer stranggiessmaschine

Country Status (5)

Country Link
US (1) US4647854A (it)
JP (1) JPS6057217A (it)
DE (1) DE3432987A1 (it)
FR (1) FR2551864B1 (it)
GB (1) GB2146437B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061573A1 (de) * 2007-12-18 2009-06-25 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Ermittlung und/oder Überwachung zumindest eines Füllstands von zumindest einem Medium in einem Behälter gemäß einer Laufzeitmessmethode und/oder einer kapazitiven Messmethode

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2611894A1 (fr) * 1987-02-26 1988-09-09 Thomson Semiconducteurs Dispositif electronique de mesure d'angle
US4912976A (en) * 1987-06-26 1990-04-03 Beckman Instruments, Inc. Liquid level sensing apparatus
US4912407A (en) * 1987-07-30 1990-03-27 Allied-Signal Inc. Non-contacting inductively coupled displacement sensor system for detecting levels of conductive, non-magnetic liquids, and method of detecting levels of such liquids
US5132626A (en) * 1989-05-31 1992-07-21 Amoco Corporation Electrolytic storage cell monitoring system
US5298887A (en) * 1991-10-04 1994-03-29 Sentech Corporation Molten metal gauging and control system employing a fixed position capacitance sensor and method therefor
US5339885A (en) * 1993-05-07 1994-08-23 Wagstaff Inc. Integrated non-contact molten metal level sensor and controller
US5537042A (en) * 1994-11-18 1996-07-16 Eldec Corporation Method and system for unobtrusively measuring physical properties in electrochemical processes
EP0979696B1 (en) * 1997-12-08 2010-02-10 Nippon Steel Corporation Continuous casting apparatus using a molten metal level gauge
FR2783910B1 (fr) * 1998-09-28 2000-12-15 Minh Quang Le Capteur inductif et procede pour mesurer la distance capteur-cible
KR100427227B1 (ko) * 1998-12-14 2004-09-07 주식회사 포스코 전자기연속주조설비에있어서몰드내탕면위치측정방법및장치
GB9924046D0 (en) 1999-10-11 1999-12-15 Fast Technology Gmbh Torque measurement apparatus
US6667615B2 (en) * 2000-02-10 2003-12-23 Sankyo Seiki Mfg. Co., Ltd. Coin identifying device using magnetic sensors
DE10033656A1 (de) * 2000-07-11 2002-01-24 Sms Demag Ag Verfahren und Stranggießvorrichtung mit einer Einrichtung zum Messen des Kokillenfüllstandes für flüssiges Metall, insbesondere für flüssigen Stahl
US6577118B2 (en) 2001-02-02 2003-06-10 B.D.H. Industries Inc. System and method for measuring liquid metal levels or the like
JP2003004407A (ja) * 2001-06-20 2003-01-08 Sankyo Seiki Mfg Co Ltd 変位測定装置
US6803757B2 (en) 2001-10-02 2004-10-12 Bentley Nevada, Llc Multi-coil eddy current proximity probe system
DE10312080A1 (de) * 2003-03-19 2004-09-30 Sms Demag Ag Manipulator für einen Gießspiegel-Sensor einer Kokille einer Stranggießanlage
CN100535613C (zh) * 2005-10-10 2009-09-02 田志恒 利用电磁线圈的钢水液位检测装置
ITPN20060005A1 (it) 2006-01-27 2007-07-28 Ergoline S Lab S R L Procedimento e dispositivo per la misura e controllo dell'altezza del metallo liquido in un cristallizzatore.
JP4505536B2 (ja) * 2008-07-08 2010-07-21 新日本製鐵株式会社 鋳片表面温度の測定装置および鋳片表面温度の測定方法
FR2945118B1 (fr) * 2009-04-29 2011-06-17 Avemis Capteur et procede de mesure de niveau de la surface d'un metal en phase liquide
EP2353752A1 (de) * 2010-01-15 2011-08-10 Siemens Aktiengesellschaft Regelverfahren für den Gießspiegel einer Stranggießkokille
PL2564173T3 (pl) 2010-04-30 2019-10-31 Agellis Group Ab Wykonywanie pomiarów w naczyniach metalurgicznych
CN103510128B (zh) * 2012-06-19 2016-07-06 贵阳铝镁设计研究院有限公司 实时监测铝电解槽内熔融铝液界面的方法
CN103510127B (zh) * 2012-06-19 2016-10-05 贵阳铝镁设计研究院有限公司 实时监测铝电解槽内熔融铝液界面的装置
JP5782202B1 (ja) * 2014-08-01 2015-09-24 株式会社ニレコ 渦流式モールドレベル測定装置及びモールドレベル測定方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU71228A1 (it) * 1974-10-31 1976-03-17
US3962919A (en) * 1975-07-15 1976-06-15 Westinghouse Electric Corporation Temperature compensated inductive liquid metal level detection system
JPS5376926A (en) * 1976-12-21 1978-07-07 Nippon Kokan Kk Molten metal level monitor controller of continuous casting machine that use eddy flow system range finder for measurement of molten metal level
JPS57192805A (en) * 1981-05-25 1982-11-27 Nippon Kokan Kk <Nkk> Differential feedback type eddy current distance meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061573A1 (de) * 2007-12-18 2009-06-25 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Ermittlung und/oder Überwachung zumindest eines Füllstands von zumindest einem Medium in einem Behälter gemäß einer Laufzeitmessmethode und/oder einer kapazitiven Messmethode
US8410793B2 (en) 2007-12-18 2013-04-02 Endress + Hauser Gmbh + Co. Kg Apparatus for ascertaining and/or monitoring at least one fill level of at least one medium in a container according to a travel-time measuring method and/or a capacitive measuring method

Also Published As

Publication number Publication date
JPS6057217A (ja) 1985-04-03
DE3432987A1 (de) 1985-04-04
US4647854A (en) 1987-03-03
GB2146437A (en) 1985-04-17
GB8422416D0 (en) 1984-10-10
GB2146437B (en) 1987-06-03
FR2551864B1 (fr) 1992-04-03
FR2551864A1 (fr) 1985-03-15
JPH0114523B2 (it) 1989-03-13

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: JFE ENGINEERING CORP., TOKIO/TOKYO, JP

8327 Change in the person/name/address of the patent owner

Owner name: JFE STEEL CORP., TOKIO/TOKYO, JP